approval_doc.tex

\documentclass{article}

\usepackage[a-1b]{pdfx}
\usepackage{hyperref}
\usepackage{titling}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{url}      % for hyperlinks
\usepackage{graphicx} % for EPS use the graphics package instead
\usepackage{booktabs} % for pretty table rules
\usepackage{ragged2e} % for tighter hyphenation
\usepackage{ccicons}  % for Creative Commons citation icons

\usepackage[style=ACM-Reference-Format]{biblatex}
\addbibresource{main.bib}

\include{vitals}

\begin{document}

\include{signaturepage}

\end{document}